У вашего броузера проблема в совместимости с HTML5
This is advice applicable to learning any/all languages, with the particular examples discussed being (1) learning Chinese, and (2) learning Pali (巴利文).
Patreon: support the creation of new content on this channel for $1 per month… or else I'll spend more time learning Chinese, and less time talking to you. :-/ https://patreon.com/a_bas_le_ciel/
An example of TERRIBLE advice on learning languages, that I'm here (partly) trying to offer an antidote to:
How to Learn a Language: INPUT (Why most methods don't work)
https://www.youtube.com/watch?v=J_EQDtpYSNM
馬大影 = Eisel Mazard, 2018.